xref: /llvm-project/llvm/test/CodeGen/PowerPC/pr30715.ll (revision 5403c59c608c08c8ecd4303763f08eb046eb5e4d)
1; RUN: llc -verify-machineinstrs -mcpu=pwr8 -mtriple=powerpc64le-unknown-linux-gnu < %s | FileCheck %s
2
3%class.FullMatrix = type { i8 }
4%class.Vector = type { ptr }
5
6$test = comdat any
7
8define weak_odr void @test(ptr %this, ptr dereferenceable(8) %p1, ptr dereferenceable(8), i1 zeroext) {
9entry:
10  %call = tail call signext i32 @fn1(ptr %this)
11  %cmp10 = icmp sgt i32 %call, 0
12  br i1 %cmp10, label %for.body.lr.ph, label %for.cond.cleanup
13
14for.body.lr.ph:                                   ; preds = %entry
15  %2 = load ptr, ptr %p1, align 8
16  %wide.trip.count = zext i32 %call to i64
17  %min.iters.check = icmp ult i32 %call, 4
18  br i1 %min.iters.check, label %for.body.preheader, label %min.iters.checked
19
20for.body.preheader:                               ; preds = %middle.block, %min.iters.checked, %for.body.lr.ph
21  %indvars.iv.ph = phi i64 [ 0, %min.iters.checked ], [ 0, %for.body.lr.ph ], [ %n.vec, %middle.block ]
22  br label %for.body
23
24min.iters.checked:                                ; preds = %for.body.lr.ph
25  %3 = and i32 %call, 3
26  %n.mod.vf = zext i32 %3 to i64
27  %n.vec = sub nsw i64 %wide.trip.count, %n.mod.vf
28  %cmp.zero = icmp eq i64 %n.vec, 0
29  br i1 %cmp.zero, label %for.body.preheader, label %vector.body.preheader
30
31vector.body.preheader:                            ; preds = %min.iters.checked
32  br label %vector.body
33
34vector.body:                                      ; preds = %vector.body.preheader, %vector.body
35  %index = phi i64 [ %index.next, %vector.body ], [ 0, %vector.body.preheader ]
36  %4 = getelementptr inbounds float, ptr %2, i64 %index
37  %wide.load = load <4 x float>, ptr %4, align 4
38  %5 = fpext <4 x float> %wide.load to <4 x ppc_fp128>
39  %6 = fadd <4 x ppc_fp128> %5, %5
40  %7 = fptrunc <4 x ppc_fp128> %6 to <4 x float>
41  store <4 x float> %7, ptr %4, align 4
42  %index.next = add i64 %index, 4
43  %8 = icmp eq i64 %index.next, %n.vec
44  br i1 %8, label %middle.block, label %vector.body
45
46middle.block:                                     ; preds = %vector.body
47  %cmp.n = icmp eq i32 %3, 0
48  br i1 %cmp.n, label %for.cond.cleanup, label %for.body.preheader
49
50for.cond.cleanup.loopexit:                        ; preds = %for.body
51  br label %for.cond.cleanup
52
53for.cond.cleanup:                                 ; preds = %for.cond.cleanup.loopexit, %middle.block, %entry
54  ret void
55
56for.body:                                         ; preds = %for.body.preheader, %for.body
57  %indvars.iv = phi i64 [ %indvars.iv.next, %for.body ], [ %indvars.iv.ph, %for.body.preheader ]
58  %arrayidx.i = getelementptr inbounds float, ptr %2, i64 %indvars.iv
59  %9 = load float, ptr %arrayidx.i, align 4
60  %conv = fpext float %9 to ppc_fp128
61  %add = fadd ppc_fp128 %conv, %conv
62  %conv4 = fptrunc ppc_fp128 %add to float
63  store float %conv4, ptr %arrayidx.i, align 4
64  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
65  %exitcond = icmp eq i64 %indvars.iv.next, %wide.trip.count
66  br i1 %exitcond, label %for.cond.cleanup.loopexit, label %for.body
67; CHECK: stfd
68; CHECK: lxvd2x
69}
70
71declare signext i32 @fn1(ptr) local_unnamed_addr #1
72